upgrade from my BENZ ACE low output MC cartridge

Thank you guys for all responses. I am using a build by my own pre and turntable. Turntable platter and bearing is from Thorens, motor is DC brushless outboard beltdriven, arm is SME 3009 II. The phono pre is tube based on 12AX7 first tube and 12AT7 second. Step up is tube also 12AX7. I am really happy with the pre. It has also impedance match for different setups. I like the detailed, not clinical liquid sound of Benz. I was also thinking about Shelter as an option, but never compared both. What do you think about Shelter as a cartridge?
Thanks a lot!
Vlad

I have more questions. What is the difference between new S series and the old one? Any opinions on low and medium output versions?
Thanks!
Vlad

I bought a Shelter 90X used once, as a backup for my XV-1s. I don't know if the Shelter was worned out but I never got the best out of it. Even if I didn't got this cartridge right I could tell it had very nice dynamics, excellent tonal balance and a powerfull bass. I would not blame Shelter for the sibilants I never got rid of. I might have recieved a worn out cartridge in the first place.

So, in my opinion the Shelters are excellent. But I believe it's difficult to tell which is the better choice when I don't know the system.

Audiomirror...If you're question is regarding the "S" on the new Benz's, I understand that it pertains to the frame of the cartridge. The S class has a brass frame which reduces the resonances of the cartridge due to its more stable platform. The S series is therefore heavier than the original. I never A,B'd them, but I understand that the S series is slightly cleaner. I have an Ebony LP original that I'm very happy with. When the stylus becomes worn, I will take advantage of the Benz exchange program for an "S".